cooling and heating ceiling grid change your own knowledge.
The original tipe its made in Shako luft.(CEILING DIFFUSERS)
STL (Stereolithography, filesize: 1.42 MB), IGE (IGES, filesize: 7.89 MB), OTHER (Other, filesize: 766 KB), SLDPRT (SolidWorks, filesize: 2.19 MB)